#163F6C#163F6C

#163F6C is a dark, moderate cyan. Relative luminance 0.048; OKLCH L 36.4% C 0.090 H 253.3°. Best body text is #FFFFFF at 10.71:1 contrast (WCAG AA passes).

Color values

HEX	#163F6C
RGB	rgb(22, 63, 108)
HSL	hsl(211, 66%, 25%)
HSV	hsv(211, 80%, 42%)
CMYK	cmyk(79.6%, 41.7%, 0%, 57.6%)
CIE-LAB	lab(26.18, 3.19, -30.24)
CIE-LCH	lch(26.18, 30.41, 276.01°)
OKLab	oklab(36.41% -0.0259 -0.0863)
OKLCH	oklch(36.41% 0.09 253.3)
XYZ	xyz(4.8141, 4.8077, 14.8587)
Luminance	0.0481 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#163F6C #6C4316

analogous

#166A6C #163F6C #18166C

triadic

#163F6C #6C163F #3F6C16

tetradic

#163F6C #6C166A #6C4316 #166C18

square

#163F6C #6C166A #6C4316 #166C18

split-complementary

#163F6C #6C1816 #6A6C16

monochromatic

#050F19 #0C2139 #163F6C #205D9F #2B7AD2

Accessibility & contrast

On white

10.71

#163F6C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.96

#163F6C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #163F6C

10.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##163F6C	#FFFFFF	#000000	##FFFFFF
##163F6C	1.00	10.71	1.96	10.71
#FFFFFF	10.71	1.00	21.00	1.00
#000000	1.96	21.00	1.00	21.00
##FFFFFF	10.71	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2A426E

Deuteranopia (green-blind)

#1C3A6B

Tritanopia (blue-blind)

#004A50

Achromatopsia (no color)

#3E3E3E

Design tokens & code

CSS

--color: #163f6c;
/* rgb */ color: rgb(22, 63, 108);
/* oklch */ color: oklch(36.4% 0.090 253.3);

Tailwind

colors: {
  custom: {
    50: '#617396',
    500: '#163f6c',
    950: '#000000',
  },
}

SCSS

$custom: #163f6c;
$custom-light: #617396;
$custom-dark: #000000;

JSON

{
  "hex": "#163f6c",
  "rgb": {
    "r": 22,
    "g": 63,
    "b": 108
  },
  "hsl": {
    "h": 211.395,
    "s": 66.154,
    "l": 25.49
  },
  "oklch": {
    "l": 0.36414,
    "c": 0.09013,
    "h": 253.3
  },
  "luminance": 0.04808
}

Semantic roles & 50–950 ramp

primary

#163F6C

secondary

#A2713C

accent

#983FE9

background

#F6F6F9

surface

#EBECF2

border

#C6C7CC

text

#06080D

muted

#7A7B7E

Preview Lab

Preview with #163F6C

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →